// This may look like C code, but it is really -*- C++ -*-
/* 
Copyright (C) 1988 Free Software Foundation
    written by Dirk Grunwald (grunwald@cs.uiuc.edu)

This file is part of the GNU C++ Library.  This library is free
software; you can redistribute it and/or modify it under the terms of
the GNU Library General Public License as published by the Free
Software Foundation; either version 2 of the License, or (at your
option) any later version.  This library is distributed in the hope
that it will be useful, but WITHOUT ANY WARRANTY; without even the
implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE.  See the GNU Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free Software
Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/

#ifdef HAVE_CONFIG_H
#include <simgear_config.h>
#endif
#ifndef SampleHistogram_h
#ifdef __GNUG__
#pragma interface
#endif
#define SampleHistogram_h 1

#include <iosfwd>
#include "SGSmplstat.hxx"

extern const int SampleHistogramMinimum;
extern const int SampleHistogramMaximum;

class SampleHistogram:public SampleStatistic
{
protected:
  short howManyBuckets;
  int *bucketCount;
  double *bucketLimit;

public:

    SampleHistogram (double low, double hi, double bucketWidth = -1.0);

   ~SampleHistogram ();

  virtual void reset ();
  virtual void operator += (double);

  int similarSamples (double);

  int buckets ();

  double bucketThreshold (int i);
  int inBucket (int i);
  void printBuckets (std::ostream &);

};


inline int SampleHistogram::buckets ()
{
  return (howManyBuckets);
};

inline double SampleHistogram::bucketThreshold (int i)
{
  if (i < 0 || i >= howManyBuckets)
    error ("invalid bucket access");
  return (bucketLimit[i]);
}

inline int SampleHistogram::inBucket (int i)
{
  if (i < 0 || i >= howManyBuckets)
    error ("invalid bucket access");
  return (bucketCount[i]);
}

#endif
